CLI: Use a better error message for obsolete preferences

Say that the preference is "obsolete", not "unknown".

Wireshark GUI already uses this language.

1 files changed, 6 insertions, 1 deletions

diff --git a/tshark.c b/tshark.c
index 2dbcddeec7..af8dc1f047 100644
--- a/tshark.c
+++ b/tshark.c
@@ -1270,11 +1270,16 @@ main(int argc, char *argv[])
         break;
 
       case PREFS_SET_NO_SUCH_PREF:
-      case PREFS_SET_OBSOLETE:
         cmdarg_err("-o flag \"%s\" specifies unknown preference", ws_optarg);
         exit_status = INVALID_OPTION;
         goto clean_exit;
         break;
+
+      case PREFS_SET_OBSOLETE:
+        cmdarg_err("-o flag \"%s\" specifies obsolete preference", ws_optarg);
+        exit_status = INVALID_OPTION;
+        goto clean_exit;
+        break;
       }
       break;
     }